package com.lagou.edu.service.impl;

import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.service.TransferService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;

/**
 * 转账service
 */
@Service(value = "transferService")
public class TransferServiceImpl implements TransferService {

    @Autowired
    @Qualifier(value = "jdbcAccountDaoImpl")
    private AccountDao accountDao;

    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
        Account from = accountDao.queryAccountByCardNo(fromCardNo);
        Account to = accountDao.queryAccountByCardNo(toCardNo);
        from.setMoney(from.getMoney()-money);
        to.setMoney(to.getMoney()+money);
        accountDao.updateAccountByCardNo(to);
        //int c = 1/0;    // 制造异常
        accountDao.updateAccountByCardNo(from);
    }
}
